update ps,kill doc

Linux/LPIC1/16-ps.md

@@ -63,3 +63,17 @@ ps aux
 | `TIME`    | Total CPU time used                                |
 | `COMMAND` | Command that started the process                   |
 
+
+### 📑 Show List Jobs
+
+```bash
+jobs
+```
+
+### 🔄Move Process From Background To Forground
+
+```bash
+fg
+```
+
+

Linux/LPIC1/17-kill.md

@@ -33,6 +33,12 @@ kill -9 123
 *Doesn’t allow cleanup — use only when necessary.*
 🗡️ *Think of it as the "katana" of kill commands.*
 
+### 📑 Multi Process Kill
+
+```bash
+pidof <ps-name> | xargs kill -9 
+```
+
 ---
 
 ### ⌨️ Interrupt — `SIGINT` (Signal 2)